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Date:      Sun, 22 Dec 1996 02:07:47 -0800
From:      David Greenman <dg@root.com>
To:        Bradley Dunn <bradley@dunn.org>
Cc:        freebsd-isp@freebsd.org
Subject:   Re: UUNET vs Netcom 
Message-ID:  <199612221007.CAA22279@root.com>
In-Reply-To: Your message of "Sat, 21 Dec 1996 23:01:51 EST." <Pine.WNT.3.95.961221225102.-79319K-100000@swoosh.dunn.org> 

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>On Sat, 21 Dec 1996, David Greenman wrote:
>
>>    CRL peers with Sprint at the PB-NAP to avoid congestion that Sprint has
>> at MAE-west (and probably for other reasons, such as load balancing their
>> own circuits). Last time I looked, MCI peered with Sprint on the west coast
>> through a dedicated circuit.
>
>CRL also peers at mae-west:
> 3  sl-chi-6-F0/0.sprintlink.net (144.228.50.6)  13.410 ms  19.669 ms  13.291 ms
> 4  144.228.10.54 (144.228.10.54)  52.305 ms  52.294 ms  57.106 ms
> 5  sl-stk-1-F/T.sprintlink.net (198.67.6.1)  53.130 ms  57.866 ms  59.603 ms
> 6  sl-mae-w-H3/0-T3.sprintlink.net (144.228.10.110)  55.692 ms  68.072 ms  55.365 ms
> 7  T3-CRL-SFO-01-H1/0.US.CRL.NET (198.32.136.10)  72.085 ms  141.506 ms  230.938 ms
>
>Much better than when it all went over the CIX, though.
>
>Yes, basically at every exchange point city MCI + Sprint have a private
>interconnect to bypass the XPs.

   I should have said that CRL peers with Sprint at PB-NAP, MAE-west, MAE-east,
and the CIX. They set their routing to prefer PB-NAP, but it looks like Sprint
is sending inbound traffic for CRL to MAE-west at the moment. Outbound is
going to PB-NAP:

[wcarchive:davidg] traceroute ftp.sprint.net
traceroute to ftp.sprint.net (204.117.214.13), 30 hops max, 40 byte packets
 1  T3-GW1.US.CRL.NET (165.113.55.1)  1.602 ms  1.366 ms  1.002 ms
 2  pb-nap-A.sprint.net (198.32.128.11)  2.740 ms  3.658 ms  3.830 ms
 3  sl-stk-6-H4/0-T3.sprintlink.net (144.228.10.49)  39.622 ms  267.059 ms  6.374 ms
 4  sl-stk-2-F/T.sprintlink.net (198.67.6.2)  5.989 ms  8.196 ms  6.180 ms
 5  sl-dc-7-H4/0-T3.sprintlink.net (144.228.10.106)  59.005 ms  64.699 ms  58.339 ms
 6  sl-dc-s-F0.sprintlink.net (144.228.20.121)  61.778 ms  58.949 ms  60.508 ms
 7  ftp.sprintlink.net (204.117.214.13)  58.504 ms  59.277 ms  58.517 ms


-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project



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